PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/18-04:58:00
G01     127.1          11.4                6.7 +/-    2.16      18.1 +/-    2.16  0.040 / 0.050
G07     57.2           68.7                5.0 +/-    0.83       5.3 +/-    0.83  0.050 / 0.050
G08     49.2           37.2                3.2 +/-    0.56       4.9 +/-    0.56  0.040 / 0.070
G09     175.5          33.2                6.7 +/-    1.69      11.0 +/-    1.69  0.050 / 0.090
G11     116.4          35.7                6.9 +/-    0.98      10.9 +/-    0.98  0.110 / 0.340
G13     321.0          11.9               -2.0 +/-   14.92      -5.3 +/-   14.92  0.110 / 0.350
G17     198.8          17.0                5.5 +/-    1.18      13.1 +/-    1.18  0.030 / 0.030
G28     274.0          51.5                5.3 +/-    0.63       6.6 +/-    0.63  0.040 / 0.030
G30     330.5          59.2                3.6 +/-    1.39       4.1 +/-    1.39  0.080 / 0.150